The files in this folder just have to be dropped into the bash completion folder usually
to be found at /etc/bash_completion.d within a Linux installation - package bash-completion on
Debian -.
As an alternative, it could be copied into the file $HOME/.bash_completion.
The ox bash completions automatically add /opt/open-xchange/sbin into the PATH.
Packages for various distributions are built in the Open Build Service and can be downloaded via http://download.opensuse.org/repositories/server:/OX:/bash-completion/